<?php

namespace CMS\Controller\Admin;

use Admin\Base\ProtoController as Controller;

use CMS\Model\Channel;

/**
 * 后台频道控制器
 * 
 */
class ChannelController extends Controller
{

    /**
     * 频道列表
     * 
     */
    public function index()
    {
        $pid = I('get.pid', 0);
        /* 获取频道列表 */
        $map = array(
            'status' => array(
                'gt',
                - 1
            ),
            'pid' => $pid
        );
        $list = M('Channel')->where($map)
            ->order('sort asc,id asc')
            ->select();
        
        $this->assign('list', $list);
        $this->assign('pid', $pid);
        $this->meta_title = '导航管理';
        $this->display();
    }

    /**
     * 添加频道
     * 
     */
    public function add()
    {
        if (IS_POST) {
            $Channel = D('Channel');
            $data = $Channel->create();
            if ($data) {
                $id = $Channel->add();
                if ($id) {
                    $this->success('新增成功', U('index'));
                    // 记录行为
                    action_log('update_channel', 'channel', $id, UID);
                } else {
                    $this->error('新增失败');
                }
            } else {
                $this->error($Channel->getError());
            }
        } else {
            $pid = I('get.pid', 0);
            // 获取父导航
            if (! empty($pid)) {
                $parent = M('Channel')->where(array(
                    'id' => $pid
                ))
                    ->field('title')
                    ->find();
                $this->assign('parent', $parent);
            }
            
            $this->assign('pid', $pid);
            $this->assign('info', null);
            $this->meta_title = '新增导航';
            $this->display('edit');
        }
    }

    /**
     * 编辑频道
     * 
     */
    public function edit($id = 0)
    {
        if (IS_POST) {
            $Channel = new Channel;
            $data = $Channel->create();
            if ($data) {
                if ($Channel->save()) {
                    // 记录行为
                    action_log('update_channel', 'channel', $data['id'], UID);
                    $this->success('编辑成功', U('index'));
                } else {
                    $this->error('编辑失败');
                }
            } else {
                $this->error($Channel->getError());
            }
        } else {
            $info = array();
            /* 获取数据 */
            $info = M('Channel')->find($id);
            
            if (false === $info) {
                $this->error('获取配置信息错误');
            }
            
            $pid = I('get.pid', 0);
            // 获取父导航
            if (! empty($pid)) {
                $parent = M('Channel')->where(array(
                    'id' => $pid
                ))
                    ->field('title')
                    ->find();
                $this->assign('parent', $parent);
            }
            
            $this->assign('pid', $pid);
            $this->assign('info', $info);
            $this->meta_title = '编辑导航';
            $this->display();
        }
    }

    /**
     * 删除频道
     * 
     */
    public function del()
    {
        $id = array_unique((array) I('id', 0));
        
        if (empty($id)) {
            $this->error('请选择要操作的数据!');
        }
        
        $map = array(
            'id' => array(
                'in',
                $id
            )
        );
        if (M('Channel')->where($map)->delete()) {
            // 记录行为
            action_log('update_channel', 'channel', $id, UID);
            $this->success('删除成功');
        } else {
            $this->error('删除失败！');
        }
    }

    /**
     * 导航排序
     * 
     */
    public function sort()
    {
        if (IS_GET) {
            $ids = I('get.ids');
            $pid = I('get.pid');
            
            // 获取排序的数据
            $map = array(
                'status' => array(
                    'gt',
                    - 1
                )
            );
            if (! empty($ids)) {
                $map['id'] = array(
                    'in',
                    $ids
                );
            } else {
                if ($pid !== '') {
                    $map['pid'] = $pid;
                }
            }
            $list = M('Channel')->where($map)
                ->field('id,title')
                ->order('sort asc,id asc')
                ->select();
            
            $this->assign('list', $list);
            $this->meta_title = '导航排序';
            $this->display();
        } elseif (IS_POST) {
            $ids = I('post.ids');
            $ids = explode(',', $ids);
            foreach ($ids as $key => $value) {
                $res = M('Channel')->where(array(
                    'id' => $value
                ))->setField('sort', $key + 1);
            }
            if ($res !== false) {
                $this->success('排序成功！');
            } else {
                $this->error('排序失败！');
            }
        } else {
            $this->error('非法请求！');
        }
    }
}